Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory

Multitudinario:498

doi:10.1016/j.astropartphys.2011.10.004

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Multitudinario:498 "Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory" (2012) Astroparticle Physics. 35(6):354-361

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Abstract:

We present the results of an analysis of data recorded at the Pierre Auger Observatory in which we search for groups of directionally-aligned events (or 'multiplets') which exhibit a correlation between arrival direction and the inverse of the energy. These signatures are expected from sets of events coming from the same source after having been deflected by intervening coherent magnetic fields. The observation of several events from the same source would open the possibility to accurately reconstruct the position of the source and also measure the integral of the component of the magnetic field orthogonal to the trajectory of the cosmic rays. We describe the largest multiplets found and compute the probability that they appeared by chance from an isotropic distribution. We find no statistically significant evidence for the presence of multiplets arising from magnetic deflections in the present data. © 2011 Elsevier B.V. All rights reserved.

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Documento:	Artículo
Título:	Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory
Autor:	Multitudinario:498
Filiación:	Centro Atómico Bariloche, Instituto Balseiro (CNEA- UNCuyo-CONICET), San Carlos de Bariloche, Argentina Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica/CONICET/UTN-FRBA, Buenos Aires, Argentina Centro de Investigaciones en Láseres y Aplicaciones, CITEFA and CONICET, Argentina Departamento de Física, FCEyN, Universidad de Buenos Aires y CONICET, Argentina IFLP, Universidad Nacional de la Plata and CONICET, La Plata, Argentina Instituto de Astronomía y Física Del Espacio (CONICET-UBA), Buenos Aires, Argentina Instituto de Física de Rosario (IFIR) - CONICET/U.N.R., Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina National Technological University, Faculty Mendoza (CONICET/CNEA), Mendoza, Argentina Pierre Auger Southern Observatory, Malargüe, Argentina Pierre Auger Southern Observatory and Comisión Nacional de Energía Atómica, Malargüe, Argentina University of Adelaide, Adelaide S.A., Australia Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, RJ, Brazil Pontifícia Universidade Católica, Rio de Janeiro, RJ, Brazil Universidade de São Paulo, Instituto de Física, São Carlos, SP, Brazil Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil Universidade Estadual de Feira de Santana, Brazil Universidade Estadual Do Sudoeste da Bahia, Vitoria da Conquista, BA, Brazil Universidade Federal da Bahia, Salvador, BA, Brazil Universidade Federal Do ABC, Santo André, SP, Brazil Universidade Federal Do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil Universidade Federal Fluminense, EEIMVR, Volta Redonda, RJ, Brazil Rudjer Bošković Institute, 10000 Zagreb, Croatia Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic Palacky University, RCATM, Olomouc, Czech Republic Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris 11, CNRS-IN2P3, Orsay, France Laboratoire AstroParticule et Cosmologie (APC), Université Paris 7, CNRS-IN2P3, Paris, France Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris 11, CNRS-IN2P3, Orsay, France Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Universités Paris 6 et Paris 7, CNRS-IN2P3, Paris, France Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier, INPG, CNRS-IN2P3, Grenoble, France SUBATECH, École des Mines de Nantes, CNRS-IN2P3, Université de Nantes, Nantes, France Bergische Universität Wuppertal, Wuppertal, Germany Karlsruhe Institute of Technology, Campus North, Institut für Kernphysik, Karlsruhe, Germany Karlsruhe Institute of Technology, Campus North, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany Karlsruhe Institute of Technology, Campus South, Institut für Experimentelle Kernphysik (IEKP), Karlsruhe, Germany Max-Planck-Institut für Radioastronomie, Bonn, Germany RWTH Aachen University, III, Physikalisches Institut A, Aachen, Germany Universität Hamburg, Hamburg, Germany Universität Siegen, Siegen, Germany Dipartimento di Fisica dell'Universit and INFN, Genova, Italy Universit dell'Aquila and INFN, L'Aquila, Italy Universit di Milano and Sezione INFN, Milan, Italy Dipartimento di Fisica dell'Universit Del Salento and Sezione INFN, Lecce, Italy Universit di Napoli Federico II and Sezione INFN, Napoli, Italy Universit di Roma II Tor Vergata and Sezione INFN, Roma, Italy Universit di Catania and Sezione INFN, Catania, Italy Universit di Torino and Sezione INFN, Torino, Italy Dipartimento di Ingegneria dell'Innovazione dell'Universit Del Salento and Sezione INFN, Lecce, Italy Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy Istituto di Fisica Dello Spazio Interplanetario (INAF), Universit di Torino and Sezione INFN, Torino, Italy INFN, Laboratori Nazionali Del Gran Sasso, Assergi (L'Aquila), Italy Universit di Palermo and Sezione INFN, Catania, Italy Benemérita Universidad Autónoma de Puebla, Puebla, Mexico Centro de Investigación y de Estudios Avanzados Del IPN (CINVESTAV), México, D.F., Mexico Universidad Michoacana de San Nicolas de Hidalgo, Morelia, Michoacan, Mexico Universidad Nacional Autonoma de Mexico, Mexico IMAPP, Radboud University Nijmegen, Netherlands Kernfysisch Versneller Instituut, University of Groningen, Groningen, Netherlands Nikhef, Science Park, Amsterdam, Netherlands ASTRON, Dwingeloo, Netherlands Institute of Nuclear Physics PAN, Krakow, Poland University of ŁódŹ, Łódź, Poland LIP and Instituto Superior Técnico, Technical University of Lisbon, Portugal, Portugal J. Stefan Institute, Ljubljana, Slovenia Laboratory for Astroparticle Physics, University of Nova Gorica, Slovenia, Slovakia Instituto de Física Corpuscular, CSIC-Universitat de Valncia, Valencia, Spain Universidad Complutense de Madrid, Madrid, Spain Universidad de Alcalá, Alcalá de Henares (Madrid), Spain Universidad de Granada and C.A.F.P.E., Granada, Spain Universidad de Santiago de Compostela, Spain Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford, United Kingdom School of Physics and Astronomy, University of Leeds, United Kingdom Argonne National Laboratory, Argonne, IL, United States Case Western Reserve University, Cleveland, OH, United States Colorado School of Mines, Golden, CO, United States Colorado State University, Fort Collins, CO, United States Colorado State University, Pueblo, CO, United States Fermilab, Batavia, IL, United States Louisiana State University, Baton Rouge, LA, United States Michigan Technological University, Houghton, MI, United States New York University, New York, NY, United States Northeastern University, Boston, MA, United States Ohio State University, Columbus, OH, United States Pennsylvania State University, University Park, PA, United States Southern University, Baton Rouge, LA, United States University of Chicago, Enrico Fermi Institute, Chicago, IL, United States University of Nebraska, Lincoln, NE, United States University of New Mexico, Albuquerque, NM, United States University of Wisconsin, Madison, WI, United States University of Wisconsin, Milwaukee, WI, United States Institute for Nuclear Science and Technology (INST), Hanoi, Viet nam, Viet Nam
Palabras clave:	Arrival directions; Pierre auger observatory; Ultra-high energy cosmic rays; Analysis of data; Arrival direction; Isotropic distributions; Magnetic deflection; Pierre auger observatory; Ultra high-energy cosmic rays; Augers; Cosmic rays; Magnetic fields; Observatories; Probability distributions; Buildings
Año:	2012
Volumen:	35
Número:	6
Página de inicio:	354
Página de fin:	361
DOI:	http://dx.doi.org/10.1016/j.astropartphys.2011.10.004
Título revista:	Astroparticle Physics
Título revista abreviado:	Astropart. Phys.
ISSN:	09276505
CODEN:	APHYE
Registro:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09276505_v35_n6_p354_Multitudinario

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Citas:

---------- APA ----------

(2012) . Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory. Astroparticle Physics, 35(6), 354-361.
http://dx.doi.org/10.1016/j.astropartphys.2011.10.004

---------- CHICAGO ----------

Multitudinario:498. "Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory" . Astroparticle Physics 35, no. 6 (2012) : 354-361.
http://dx.doi.org/10.1016/j.astropartphys.2011.10.004

---------- MLA ----------

Multitudinario:498. "Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory" . Astroparticle Physics, vol. 35, no. 6, 2012, pp. 354-361.
http://dx.doi.org/10.1016/j.astropartphys.2011.10.004

---------- VANCOUVER ----------

Multitudinario:498. Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory. Astropart. Phys. 2012;35(6):354-361.
http://dx.doi.org/10.1016/j.astropartphys.2011.10.004